The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.
The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.In which order do their radii increase
Options
(a) Ca²⁺ < Ar < K⁺ (b) Ca²⁺ < K⁺ < Ar (c) K⁺ < Ar […]
Questions
A mixture of gases contains H₂ and O₂ gases in the ratio of 1:4(w/w).
A mixture of gases contains H₂ and O₂ gases in the ratio of 1:4(w/w).What is the molar ratio of the two gases in the mixture
Options
(a) 04:01:00 (b) 16:01:00 (c) 02:01:00 (d) […]
Which one of the following esters gets hydrolysde most easily under alkaline
Which one of the following esters gets hydrolysde most easily under alkaline conditions
Options
(a)
(b)
(c)
(d)
Correct Answer:
(d)
Explanation:
No explanation available. Be the first to […]
Which of the following reaction(s) can be used for the preparation of alkyl halides?
Which of the following reaction(s) can be used for the preparation of alkyl halides? anh.ZnCl₂ (I)CH₃CH₂OH + HCl → (II)CH₃CH₂OH + HCl → (III)(CH₃)₃COH + HCl → (IV)(CH₃)₂CHOH + HCl →
Options
(a) […]
Which of the following is not the product of dehydration of
Which of the following is not the product of dehydration of
Options
(a)
(b)
(c)
(d)
Correct Answer:
(a)
Explanation:
No explanation available. Be the first to write the […]
The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
Options
(a) sp³ (b) d²sp² (c) d²sp³ (d) dsp²
Correct Answer:
dsp²
Explanation:
No explanation available. Be the first to write the explanation […]
The correct statement regarding defects in crystalline solids is
The correct statement regarding defects in crystalline solids is
Options
(a) Frenkal defects decrease the density of crystalline solids (b) Frenkal defect is a dislocation defect (c) Frenkal defect is found in halides […]
In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s
In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s rule to give a product 1-chloro-1-methylcyclohexane.The possible alkene is
Options
(a)
(b)
(c)
A and B
(d)
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (At.Wt.of Mg =24)
2,3-Dimethyl 1-2-butene can be prepared by heating which of the following compounds
2,3-Dimethyl 1-2-butene can be prepared by heating which of the following compounds with a strong acid
Options
(a) (CH₃)₃C – CH = CH₂ (b) (CH₃)₂C = CH – CH₂ – CH₃ (c) (CH₃)₂CH […]