Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

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Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... . H_2O` D. (D) None of these

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Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... and C black D. `Na(CN)_2^-`

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... NaBr C. (C) NaF D. (D) Nal

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

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Description : When ammonia is added to an alkyl halide, in the presence of base : (a) primary amines form (b) amides form (c) nitrated alkyl halides form (d) quaternary ammonium salts form

Last Answer : primary amines form

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Last Answer : All alkyl iodides react more rapidly than all alkyl chlorides

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

Description : The order of stability of halides of sulphur with different halogens is

Last Answer : The order of stability of halides of sulphur with different halogens is A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` ... `F^(-) gt Cl^(-) gt I^(-) Br^(-)`

Description : Alkyl halides react with ammonia in the presence of base to form : (a) primary amines (b) nitrated alkyl halides (c) amides (d) quaternary ammonium salts

Last Answer : primary amines

Description : Which of the following terms denotes the polar molecules or negative ions clustered about a central positive ion? w) ligands x) isomers y) complex ions z) dipoles

Last Answer : ANSWER: W -- LIGAND

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Description : What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : The most active metals are alkali metals.The most active nonmetals are halogens.

Description : Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : Kevin

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Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : The elements in group 1A of the periodic table are called: w) halogens x) alkaline earths y) alkali metals z) rare earths

Last Answer : ANSWER: Y -- ALKALI METALS

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Last Answer : Answer : B

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Last Answer : anions

Description : Positively charged ions are called a. anions b. cations c. both d. none of them

Last Answer : cations

Description : The order of decreasing basicity in the four halide ions is :

Last Answer : The order of decreasing basicity in the four halide ions is : A. `I^(-) gt Br^(-) gt Cl^(-) gt F^(-)` B. `Cl ... `Cl^(-) gt F^(-) gt Br^(-) gt I^(-)`

Description : The correct sequence of reducing power of halide ions are

Last Answer : The correct sequence of reducing power of halide ions are A. `Cl^(-) gt Br^(-) gt I^-` B. `Br^(-) gt I^(-) gt ... ^(-)` D. `Cl^(-) gt I^(-) gt Br^(-)`

Description : pH stands for  D A. Percentage of Halogens B. Power of Hydroxyl ions C. Proportion of Hydrogen ions D. Power of Hydrogen ions

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Description : Hydrogen shows similarity with alkali metals as well as halogens.

Last Answer : Explain : Hydrogen shows similarity with alkali metals as well as halogens.

Description : In an outline the subtopics are alkali metals and halogens what would the main topic of the outline be?

Last Answer : hi

Description : How does alkali metals react with halogens?  

Last Answer : The alkali metals readily react vigorously with halogens to form ionic halides, M+X-. However, lithium halides are somewhat covalent. It is because of the high polarisation capability of lithium ion ( ... size can be easily distorted, among halides, lithium iodide is the most covalent in nature. 

Description : The elements that have an outer electron configuration ns2 (read: n - s - 2) are called: w) halogens x) transition metals y) alkaline earths z) noble gases

Last Answer : ANSWER: Y -- ALKALINE EARTHS

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Last Answer : Answer : B

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Description : Name the hydrogen ion which resembles anions of group 17.

Last Answer : A (H-) Hydride ion

Description : The stability of the halides of group 16 elements decreases in the order

Last Answer : The stability of the halides of group 16 elements decreases in the order A. `F gt Cl gt Br gt I` B. `Cl gt Br ... gt Cl gt F` D. `Br gt Cl gt F gt I`

Description : Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an ... replaced by another atom or group in substitution reactions. (d) (a) and (b)

Last Answer : (a) and (b)

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Description : Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .

Last Answer : (1) Isotopes Explanation: Atoms that have the same number of protons but different numbers of neutrons are called isotopes. For example, carbon-12, carbon13 and carbon-14 are three isotopes of the element ... has 6 protons, so that the neutron numbers of these isotopes are 6, 7 and 8 respectively.

Description : Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions

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Last Answer : Ans: 17 =halogen 16=chalcogens

Description : AS A GROUP, the halogens have the largest: w) atomic radii x) Boiling points y) electronegativities z) ionization energies

Last Answer : ANSWER: Y -- ELECTRONEGATIVITIES

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Description : Give point of resemblance of hydrogen with alkali metal.

Last Answer : Ans: 1 like alkali metals hydrogen also has one electron in its valence shell 2 like alkali metals hydrogen loses its only electron to form proton(H+) 3 like alkalis metals hydrogen ... the same way as alkali metals are librated at the cathode during the electrolysis of their fused halides

Description : The following is not a feature of competitive antagonists: A. Chemical resemblance with the agonist B. Parallel rightward shift of the agonist log doseresponse curve C. Suppression of maximal agonist response D. Apparent reduction in agonist affinity for the receptor

Last Answer : C. Suppression of maximal agonist response

Description : The following is not a feature of competitive antagonists: A. Chemical resemblance with the agonist B. Parallel rightward shift of the agonist log doseresponse curve C. Suppression of maximal agonist response D. Apparent reduction in agonist affinity for the receptor

Last Answer : C. Suppression of maximal agonist response

Description : Give two examples of ligands which form coordination compounds useful in analytical chemistry. -Chemistry

Last Answer : Examples : (i) EDTA (Ethylene diamine tetra-acetic acid) (ii) Dimethyl glyoxime (DMG)