Which of the following complex has square planar structure
Options
(a) Ni(CO₄) (b) [Ni(CN)₄]²⁻ (c) [Ni(Cl)₄]²⁻ (d) [Zn(NH₃)₄]²⁺
Correct Answer:
[Ni(CN)₄]²⁻
Explanation:
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Molar conductivity decreases with decrease in concentration
Options
(a) for strong electrolytes (b) for weak electrolytes (c) both for strong and weak electrolytes (d) for non-electrolytes
Correct Answer:
for non-electrolytes
Explanation:
No explanation […]
Which of the following hydrides is electron deficient molecule?
Options
(a) CH₄ (b) NaH (c) B₂H₆ (d) CaH₂
Correct Answer:
B₂H₆
Explanation:
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Which one of the following gives only one monochloro derivative
Options
(a) n-hexane (b) 2-methylpentane (c) 2,3-dimethylpentane (d) neo-pentane
Correct Answer:
neo-pentane
Explanation:
No explanation available. Be the first to write […]
In Zinc blende structure, the coordination number of the cation is
Options
(a) 4 (b) 6 (c) 8 (d) 12
Correct Answer:
4
Explanation:
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Which of the following can not be hydrolysed into aldose and ketose
Options
(a) Disaccharide (b) Monosaccharide (c) Polysaccharide (d) Oligosaccharide
Correct Answer:
Monosaccharide
Explanation:
No explanation available. Be the first to write […]
Ozone is formed in the upper atmosphere from oxygen by the action of
Options
(a) ultraviolet rays (b) cosmic rays (c) free radicals (d) nitrogen oxides
Correct Answer:
ultraviolet rays
Explanation:
No explanation […]
Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
Options
(a) -1, -1, 0 , 1 (b) 3, 5, 7, 0 (c) 5, 7, -1, 0 (d) -1, -5, -1, […]
The common oxidation state shown by lanthanides in their compounds is
Options
(a) ⁺1 (b) ⁺3 (c) ⁺5 (d) ⁺6
Correct Answer:
⁺3
Explanation:
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If P is pressure and D is density of a gas, then P and D are related as
Options
(a) P ∝ D (b) P ∝ (1/D) (c) P ∝ D² (d) P […]
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