Which forms of Sulphur show paramagnetic behaviour ?

Last Answer : Ans – PCl5 has a trigonal bipyramidal structure and the three equatorial p-cl bonds are equivalent . while trhe two axial bonds are different and longer than equatorial bonds.

How is the presence of SO2 detected ?

Description : How is the presence of SO2 detected ?

Last Answer : Ans : 1. It has pungent characteristic smell . 2. It decolourises KMn O4 solution 3. It turns acidified K2 Cr2 O7 green

Why is fluorine stronger Oxidising agent ?

Description : Why is fluorine stronger Oxidising agent ?

Last Answer : Ans: Due to (a) Low enthalpy of dissociation (b) high enthalpy of Hydration of F-

Halogens have maximum negative electron gain enthalpy in the respective periods in the P. T Why ?

Description : Halogens have maximum negative electron gain enthalpy in the respective periods in the P. T Why ?

Last Answer : Ans Due to smallest size and high effective nuclear charge , readily accept one electron to acquire noble gas electronic configuration

Give reasons i) H2O is a liquid but H2S a gas. ii) Ammonia has higher boiling point than phosphine ii) Krypton & xenon make compounds.

Description : Give reasons i) H2O is a liquid but H2S a gas. ii) Ammonia has higher boiling point than phosphine ii) Krypton & xenon make compounds.

Last Answer : Ans: i) Hydrogen bond is found in H2O but not in H2S. ii) Hydrogen bond is found in NH3 but not in PH3. iii) Because they have low ionization energy.

Find hybridization and shape i) XeF2 ii) XeO3 iii) XeF4

Description : Find hybridization and shape i) XeF2 ii) XeO3 iii) XeF4

Last Answer : Ans: i) sp3d, Linear ii) sp3, Pyramidal iii) sp3d2 , Square planar

How is ammonia prepared? Write chemical reaction involved in the Haber’s process.

Description : How is ammonia prepared? Write chemical reaction involved in the Haber’s process.

Last Answer : i) Ammonia is prepared by the combination of hydrogen and nitrogen in the ratio of 3:1. ii) The used catalyst is iron oxide. The promotors are potassium and aluminium oxides. iii) The required conditions are high pressure and moderate temperature. N2 + 3H2 → 2NH3

Give reasons: a) Phosphorous pentachloride is unstable. b) Phosphorous trichloride fumes in moisture.

Description : Give reasons: a) Phosphorous pentachloride is unstable. b) Phosphorous trichloride fumes in moisture.

Last Answer : Ans: a) Because of two longer axial bonds. b) Because it reacts with water and forms hydrochloric acid.

Ortho phosphoric acid is triprotic but phosphoric acid is diprotic. Why?

Description : Ortho phosphoric acid is triprotic but phosphoric acid is diprotic. Why?

Last Answer : Ans: Because of their structures ortho phosphoric acid and phosphoric acid have three and two ionisable hydrogen.

Write shape of following molecules: a) Ammonia b) Phosphorous Pentachloride

Description : Write shape of following molecules: a) Ammonia b) Phosphorous Pentachloride

Last Answer : Ans: a) Pyramidal b) Trigonal bipyramidal

Ammonia is water soluble. Why?

Description : Ammonia is water soluble. Why?

Last Answer : Ans: It forms hydrogen bond with water.

Why is Nitrogen relatively inert?

Description : Why is Nitrogen relatively inert?

Last Answer : Ans: Because of a triple bond with high bond energy.

Why Nitrogen is a gas whereas Phosphorous is a solid?

Description : Why Nitrogen is a gas whereas Phosphorous is a solid?

Last Answer : Ans: Nitrogen molecules have less Vander Waal’s forces of attraction whereas molecular phosphorous has more Vander Waal’s forces of attraction.

Why is Ammonia a good complexing agent?

Description : Why is Ammonia a good complexing agent?

Last Answer : Ans: Because of lone pair of electrons on N.

Why is phosphine weaker base than Ammonia?

Description : Why is phosphine weaker base than Ammonia?

Last Answer : Ans: P is bigger than N, therefore lone pair of electrons are less available on P than N.

Which one of the following has lowest value of paramagnetic behaviour?

Description : Which one of the following has lowest value of paramagnetic behaviour?

Last Answer : Which one of the following has lowest value of paramagnetic behaviour? A. `[Co(CN)_(6)]^(3-)` B. `[Fe(CN)_(6)]^(3 ... 6)]^(3-)` D. `[Cr(CN)_(6)]^(3-)`

Molecular oxygen is said to be paramagnetic. This indicates that molecular oxygen: w) is a gas at room temperature x) forms molecules containing two oxygen atoms y) has an approximate molecular weight of 32 z) has unpaired electrons

Description : Molecular oxygen is said to be paramagnetic. This indicates that molecular oxygen: w) is a gas at room temperature x) forms molecules containing two oxygen atoms y) has an approximate molecular weight of 32 z) has unpaired electrons

Last Answer : ANSWER: Z -- HAS UNPAIRED ELECTRONS

Explain the following , giving reason . (a) Transition metal and many of their compounds show paramagnetic behavior (b) The enthalpy of atomisation of the transition metal is high . (c) The Transition metal generally form coloured compounds .

Description : Explain the following , giving reason . (a) Transition metal and many of their compounds show paramagnetic behavior (b) The enthalpy of atomisation of the transition metal is high . (c) The Transition metal generally form coloured compounds .

Last Answer : Ans(a) It is due to unpaired electrons . (b) It is due to strong metallic bond and additional Covalent bonds due to presence of unpaired electron in d- orbitals (c) It is due to presence of unpaired electrons ,they undergo d-d transition .

Why does Li show anomalous behaviour

Description : Why does Li show anomalous behaviour

Last Answer : This is due to the : (i) Exceptionally small size of its atom and ion, and (ii) High polarising power (i.e., charge/ radius ratio). As a result, there is ... compounds which is responsible for their solubility in organic solvents. And lithium shows diagonal relationship to magnesium .

Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is [EAMCET 1985] (A) 8 g/mole (B) 16 g/mole (C) 64.8 g/mole (D) 32 g/mole

Description : Sulphur forms the chlorides S2Cl2 and SCl2. The equivalent mass of sulphur in SCl2 is [EAMCET 1985] (A) 8 g/mole (B) 16 g/mole (C) 64.8 g/mole (D) 32 g/mole

Last Answer : (D) 32 g/mole

[Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3- is weakly paramagnetic. Explain. (At. no. Fe = 26) -Chemistry

Description : [Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3- is weakly paramagnetic. Explain. (At. no. Fe = 26) -Chemistry

Last Answer : In both the cases, Fe is in oxidation state +3. Outer electronic configuration of Fe+3 is : In the presence of CN-, the 3d electrons pair up leaving only one unpaired electron. The ... sp3d2 forming an outer orbital complex. As it contains five unpaired electrons so it is strongly paramagnetic. .

Magnets attract magnetic substances are iron, nickel, cobalt, etc. They can also repel - (1) paramagnetic substances (2) ferromagnetic substances (3) diamagnetic substances (4) non-magnetic substances

Description : Magnets attract magnetic substances are iron, nickel, cobalt, etc. They can also repel - (1) paramagnetic substances (2) ferromagnetic substances (3) diamagnetic substances (4) non-magnetic substances

Last Answer : (3) diamagnetic substances Explanation: Those materials which when placed in a magnetic field become weakly magnetized in a direction opposite to that of the applied field, are called as diamagnetic materials ... : bismuth, antimony, copper, gold, quartz, mercury, water, alcohol, air, hydrogen etc.

What is the oxidation state of K in KO2 - ? Why is KO2 paramagnetic ?

Description : What is the oxidation state of K in KO2 - ? Why is KO2 paramagnetic ?

Last Answer : Ans. The oxidation state of K in KO2 - is +1. It has 1 unpaired electron in π*2p MO. Therefore it is Paramagnetic.

How is paramagnetic character of a compound is related to the no. of unpaired electrons?

Description : How is paramagnetic character of a compound is related to the no. of unpaired electrons?

Last Answer : Ans. Greater the number of unpaired electrons greater will be the paramagnetic character

Why are Ti+2 and other transition metals and their ions paramagnetic ?

Description : Why are Ti+2 and other transition metals and their ions paramagnetic ?

Last Answer : Ans: These ions have unpaired electrons in d- subshell.

Why are lanthanoid colored and paramagnetic L

Description : Why are lanthanoid colored and paramagnetic L

Last Answer : Ans It is due to presence of unpaired electrons, they are paramagnetic and they absorb light From visible region and undergoes f-f transition and radiate complementary colour .

Why is Cu+1 diamagnetic and Cu +2 paramagnetic ?

Description : Why is Cu+1 diamagnetic and Cu +2 paramagnetic ?

Last Answer : It is because Cu+ does not have unpaired electrons where as Cu+2 has unpaired electrons in d-sub cell .

If you are irritated and show rashness because of the inadequate behaviour s shown by others what do you think about your own behaviour Options: A) it is justified because behaviour s are echo lime B) your behaviour is not good because elders have the right to behave you in this way C) your behaviour is also the sign of mal-adjustment and so try to control yourself when you are maltreated D) none of these

Description : If you are irritated and show rashness because of the inadequate behaviour s shown by others what do you think about your own behaviour Options: A) it is justified because behaviour s are echo lime B) ... sign of mal-adjustment and so try to control yourself when you are maltreated D) none of these

Last Answer : C) your behaviour is also the sign of mal-adjustment and so try to control yourself when you are maltreated

You become rash when some inadequate behaviour is shown by others. When you show such behaviour in relation to others, what do you think? Options: A) Those persons should be irritated because it is the echo-like behaviour B) You are elder have the right to behave in such a manner C) Behave as you expect from others D) You always become rash in case of maltreatment given by others, so try to control yourself

Description : You become rash when some inadequate behaviour is shown by others. When you show such behaviour in relation to others, what do you think? Options: A) Those persons should be irritated because it is ... D) You always become rash in case of maltreatment given by others, so try to control yourself

Last Answer : D) You always become rash in case of maltreatment given by others, so try to control yourself

Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Description : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Last Answer : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not ... do not change when dissolved in water

Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Description : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Last Answer : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not ... . The solution is acidic in nature

Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Description : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides. Hexabromides and hexaiodes Sulp

Last Answer : Sulphur forms hexahalides tetrahalides dihalides and monohalids Sulphur forms only exafluoride but not hexacholorides ... to sulphur D. All the above

Density order of `alpha, beta, gamma` forms in Sulphur

Description : Density order of `alpha, beta, gamma` forms in Sulphur

Last Answer : Density order of `alpha, beta, gamma` forms in Sulphur A. `alpha gt beta gt gamma` B. `alpha lt beta ... gt beta` D. `S_(gamma)gtS_(alpha)gtS_(beta)`

Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due

Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct

What is the relative permeability of a paramagnetic material? -General Knowledge

Description : What is the relative permeability of a paramagnetic material? -General Knowledge

Last Answer : The answer is 'Greater than unity'

A hydrogen atom is paramagnetic. What is a hydrogen molecule? -Do You Know?

Description : A hydrogen atom is paramagnetic. What is a hydrogen molecule? -Do You Know?

Last Answer : answer:

What is the relative permeability of a paramagnetic material? -General Knowledge

Description : What is the relative permeability of a paramagnetic material? -General Knowledge

Last Answer : answer:

What is paramagnetic ?

Description : What is paramagnetic ?

Last Answer : Substances that are weakly attracted by a magnetic field are called paramagnetic. Any substance that has odd or unpaired electrons in its atom ; They tend to be paramagnetic. This is because the rotation or spinning of unpaired electrons in an atom causes a magnetic moment.

What is Paramagnetic Material ?

Description : What is Paramagnetic Material ?

Last Answer : Chromium , tungsten , aluminum , magnesium etc. are weakly attracted by strong magnets. These are paramagnetic substances. The magnetic field of paramagnetic matter is called paramagnetism.

Among the following , the paramagnetic compound is

Description : Among the following , the paramagnetic compound is

Last Answer : Among the following , the paramagnetic compound is A. `Na_(2)O_(2)` B. `O_(3)` C. `Na_(2)O` D. `KO_(2)`

The pair(s) of reagents that yield paramagnetic species is/are

Description : The pair(s) of reagents that yield paramagnetic species is/are

Last Answer : The pair(s) of reagents that yield paramagnetic species is/are A. Na and excess of `NH_(3)` B. K and ... `HNO_(3)` D. `O_(2)` and 2-ethylanthraquinol

The pair(s) of reagents that yield paramagnetic species is/are

Description : The pair(s) of reagents that yield paramagnetic species is/are

Last Answer : The pair(s) of reagents that yield paramagnetic species is/are A. Na and excess of `NH_(3)` B. K and ... `HNO_(3)` D. `O_(2)` and 2-ethylanthraquinol

The metal carbonyl which is paramagnetic is

Description : The metal carbonyl which is paramagnetic is

Last Answer : The metal carbonyl which is paramagnetic is A. `Ni(CO)_(4)` B. `V(CO)_(6)` C. `Cr(CO)_(6)` D. `Fe(CO)_(5)`

`[NiCl_(4)]^(2-)` is paramagnetic and therefore its geometry is :

Description : `[NiCl_(4)]^(2-)` is paramagnetic and therefore its geometry is :

Last Answer : `[NiCl_(4)]^(2-)` is paramagnetic and therefore its geometry is : A. pyramidal B. bi-pyramidal C. tetrahedral D. square planar

Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex `[NiX_4]^(2-)`. The number of unpaired electron(

Description : Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex `[NiX_4]^(2-)`. The number of unpaired electron(

Last Answer : Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex ... C. one, square planar D. two, square planar

anonymous · Answer 1 · 2021-12-06T03:21:09+0000

Ans : In Vapour State sulphurPartly exists as S2 molecule which has two unpaired electrons in the * Orbitals hence exhibit paramagnetic

Which forms of Sulphur show paramagnetic behaviour ?

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