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Chhaya Chemistry Class 12 Objective for Students
4-Methyl pent-3-pen-2-one is the aldol condensation product of:
(D) Ethyl methyl ketone
Option b – Propanone
2-Methyl propan-1-ol is obtained by reacting formaldehyde with:
(A) Ethyl magnesium bromide
(B) n-Propyl magnesium bromide
(C) Isopropyl magnesium bromide
(D) Terbutyl magnesium bromide
Option c – Isopropyl magnesium bromide
Which one of the following Himalayan rivers does not originate from across the Himalayas?
(D) BrahmaputraShow Answer
Incorrect statement about the addition product of ethanal and sodium bisulphite is:
(A) They are water-soluble crystalline solids.
(B) They are hydrolyzed in aldehydes by dil. acids or alkali.
(C) They are water-insoluble liquids.
Option c – They are water-insoluble liquids
Ethanal on reacting with ethyl alcohol in dry hydrochloric acid gas gives:
(C) Diethoxy ethane
(D) Diacetaldehyde alcohol
Option c – Diethoxy ethane
The most powerful Peshwa was?
(A) Balaji Baji Rao
(B) Baji Rao
(C) Madhava Rao
(D) Balaji VishwanathShow Answer
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