Description : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is:
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is: A. three B. two C. zero D. one
Description : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is
Last Answer : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is A. `SP^ ... `SP^(3)` C. SP D. `dSP^(2)`
Description : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. three B. two C. one D. zero
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. Three B. Two C. One D. Zero
Description : Sulphur trioxide can be obtained by which of the following reactions :
Last Answer : Sulphur trioxide can be obtained by which of the following reactions : A. `S + H_(2)SO_(4) overset(Delta) ... `Fe_(2) (SO_(4))_(3) overset(Delta)rarr`
Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these
Last Answer : (A) Sulphuric acid (10%) at room temperature
Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling
Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling
Description : Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid
Last Answer : (A) Concentrated sulphuric acid
Description : The law of multiple proportions is illustrated by the two compounds [NCERT 1972] (A) Sodium chloride and sodium bromide (B) Ordinary water and heavy water (C) Caustic soda and caustic potash (D) Sulphur dioxide and sulphur trioxide
Last Answer : (D) Sulphur dioxide and sulphur trioxide
Description : In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur is
Last Answer : In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur is A. `sp^ ... sp^(3)` (or) `sp^(3)d^(2)`
Description : What is the hybridisation of sulphur in `H_(2)SO_(4)` ?
Last Answer : What is the hybridisation of sulphur in `H_(2)SO_(4)` ? A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d^(2)`
Description : The hybridisation of sulphur in `SF_(6)` is
Last Answer : The hybridisation of sulphur in `SF_(6)` is A. `sp^(3)` B. `d^(2)sp^(3)` C. `sp^(3)d^(2)` D. `sp^(3)d`
Description : The hybridisation of sulphur in `SF_(4)` is
Last Answer : The hybridisation of sulphur in `SF_(4)` is A. `sp^(3)` B. `sp^(3)d` C. `dsp^(2)` D. `sp^(3)d^(2)`
Description : The number of O atoms having `sp^(2)` hybridisation in `P_(4)O_(10)` molecule is:
Last Answer : The number of O atoms having `sp^(2)` hybridisation in `P_(4)O_(10)` molecule is:
Description : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are :
Last Answer : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are : A. `sp^(3)d^(2)`,4 B. `d^(2)sp^ ... . `d^(2)sp^(3)`,4 D. `sp^(3)d^(2),2`
Description : ‘Himgiri’ developed by hybridisation and selection for disease resistance against rust pathogens is a variety of (a) chilli (b) maize (c) sugarcane (d) wheat.
Last Answer : (d) wheat.
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)`
Description : Which oxo acids of sulphur contain S-S bonds ?
Last Answer : Thio acids Thio sulphuric acid is.
Description : Oxygen is always divalent while sulphur can form 2, 4 and 6 bonds because
Last Answer : Oxygen is always divalent while sulphur can form 2, 4 and 6 bonds because A. High ... Vacant d-orbitals in the valency shell of Sulphur
Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range from `N_(2)O` (O.S of nitrogen +
Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with ... red D. Nitrogen dioxide is not acidic oxide
Description : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range of `N_(2)O` (O.S of nitrogen +1)
Last Answer : Nitrogen forms the largest number of oxides as it is capable of forming stable multiple bonds with oxygen. They range ... C. `NO_(2)` D. both A and C
Last Answer : Chemical signal of sulfur trioxide SO3
Description : What is the equation when dicarbon trioxide reacts with water?
Last Answer : This oxide doesn't exist.
Description : What is carbon trioxide?
Last Answer : What is the answer ?
Description : Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these
Last Answer : Answer : B
Description : Laughing gas is – (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Last Answer : (2) Nitrous oxide Explanation: Laughing gas is Nitrous Oxide (N2O).
Description : The 'laughing gas' is (A) Nitrous oxide (B) Nitric oxide (C) Nitrogen trioxide (D) Nitrogen pentoxide
Last Answer : (A) Nitrous oxide
Description : The use and transfer of energy in all cells involves the same compound, ATP. The letters ATP stand for the chemical: a) atrophine trichloride b) aluminum trioxide c) adenosine triphosphate d) none of the above
Last Answer : ANSWER: C -- ADENOSINE TRIPHOSPHATE
Description : Laughing gas is (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Last Answer : Nitrous oxide
Description : The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed
Last Answer : Answer : A
Description : Asserton :- The formal oxidation no. of sulphur in `Na_(2)S_(4)O_(6)` is `2.5` Reason :- Two S-atoms are not directly linked with O-atoms.
Last Answer : Asserton :- The formal oxidation no. of sulphur in `Na_(2)S_(4)O_(6)` is `2.5` Reason :- ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion:Among chalcogens, catenation tendency is maximum for sulphur Reason: S-S bond is stronger than O - O single bond.
Last Answer : Assertion:Among chalcogens, catenation tendency is maximum for sulphur Reason: S-S bond is stronger ... is not correct and Statement-II is correct
Description : Oxyen is more eletrongative than sulphur, yet `H_(2)S` is acidic while `H_(2)O` in neutral.this is because:
Last Answer : Oxyen is more eletrongative than sulphur, yet `H_(2)S` is acidic while `H_(2)O` in neutral.this is because: A ... (2)S` is more than that of `H_(2)O`.
Description : Nickel (Z=28) combines with a uninegative monodenatate ligands to form a diamagnetic complex `[NiL_(4)]^(2-)`. The hybridisation involved and the numb
Last Answer : Nickel (Z=28) combines with a uninegative monodenatate ligands to form a diamagnetic complex `[NiL_(4)]^(2-)`. The ... dsp^(2)`, one D. `sp^(3)`, zero
Description : Sulphur can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three compounds is mixed with water. The total number o
Last Answer : Sulphur can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three ... is ____. If no reaction occurs, count zero
Description : The number of P-O-P bonds in cyclic trimetaphosphoric acid is :
Last Answer : The number of P-O-P bonds in cyclic trimetaphosphoric acid is : A. zero B. two C. three D. four
Description : Find thetotal number of B-O bonds in peroxoborate.
Last Answer : Ans. 8 covalent bonds
Description : 1. Who is the executive head of a Municipal Corporation? 2. What is the maximum number of hydrogen bonds in a H2 O molecule? 3. How is the contribution of agriculture to India's ... largest number of sugar mills? 20. Among which class did Indian National Congress find wide acceptance initially?
Last Answer : Answer : 1. Commissioner 2. 4 3. Decreasing 4. Sone 5. Aurangzeb 6. Arjun Singh 7. B. H. C. 8. By consensus 9. Narmada 10. Mir Jafar 11. 30 - 300 MHz 12. Satellite launching 13. National ... 15. Agra 16. Ecology 17. Government of India Act, 1935 18. Urea 19. Uttar Pradesh 20. Educated middle class
Description : What is hybridisation on the central atom of `SiO_(2)`.
Last Answer : What is hybridisation on the central atom of `SiO_(2)`. A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d`
Description : Which of the following pair have same hybridisation :-
Last Answer : Which of the following pair have same hybridisation :- A. `ClO_(4)^(-) & ClO_(2)^(-)` B. `SF_(4) & C Cl_(4)` C. `BF_(3) & NF_(3)` D. `CO_(2) & SO_(2)`
Description : Which technique can be helpful in overcoming hybridisation barrier ?
Last Answer : Which technique can be helpful in overcoming hybridisation barrier ? A. Shoot tip culture B. Embyro rescue C. Protoplast fusion D. Both B and C
Description : Somatic hybridisation is achieved through ?
Last Answer : Somatic hybridisation is achieved through ? A. Grafting B. Protoplast fusion C. Conjugation D. Recombinant DNA technology
Description : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the complex is:
Last Answer : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the ... B. Square bipyramidal C. Tetrahedral D. square planar