Which of the following is formed, when benzaldehyde reacts with alcoholic KCN
Options
(a) Benzoin (b) Benzyl alcohol (c) Benzoin acid (d) Ethyl benzoate
Correct Answer:
Benzoin
Explanation:
No explanation available. Be the […]
Diethyl ether is isomeric with
Options
(a) primary alcohol (b) secondary alcohol (c) tertiary alcohol (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to write […]
Salicylic acids is prepared from phenol by
Options
(a) Reimer-Tiemann reaction (b) Kolbe’s synthesis (c) Gattermann’s reaction (d) None of above
Correct Answer:
Reimer-Tiemann reaction
Explanation:
No explanation available. Be the first […]
Which of the following has highest chlorine content
Options
(a) chloral (b) DDT (c) pyrene (d) gammexane
Correct Answer:
pyrene
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following reaction is an example of nucleophilic substitution reaction
Options
(a) 2RX + 2Na → R – R + NaX (b) RX + H₂ → RH + HX (c) RX […]
CN⁻ is a strong fields ligand.This is due to the fact that
Options
(a) it carries negative charge (b) it is a pseudohalide (c) it can accept electrons from metal species (d) it […]
Which one of the following forms with an excess of CN⁻ (cyanide) a complex having coordination number two
Options
(a) Cu⁺ (b) Ag⁺ (c) Ni²⁺ (d) Fe²⁺
Correct Answer:
Ag⁺
Explanation:
No explanation […]
The basic character of the transition metal monoxides follows the order (Atomic nos. Ti = 22, V = 23, Cr = 24 , Fe = 26)
Options
(a) VO > CrO > TiO […]
Which of the following elements are analogous to the lanthanides
Options
(a) Carbides (b) Borides (c) Actinides (d) Hydrides
Correct Answer:
Actinides
Explanation:
No explanation available. Be the first to write the explanation […]
How many P = O bond present in (HPO₃)₃
Options
(a) 0 (b) 3 (c) 6 (d) 9
Correct Answer:
3
Explanation:
No explanation available. Be the first to write the explanation for […]
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