NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 521 - 527 of 3111
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Question 521
Question MCQ▾
The carbon atom of the carbonyl group is?
Choices
Choice (4) | Response | |
---|---|---|
a. | -hybridised | |
b. | sp-hybridised | |
c. | -hybridised | |
d. | -hybridised |
Question 522
Question MCQ▾
Acetic acid when heated (300°C) with MnO gives?
Choices
Choice (4) | Response | |
---|---|---|
a. | Formaldehyde | |
b. | Acetaldehyde | |
c. | Ethanol | |
d. | Propane-2-one |
Question 523
Question MCQ▾
Which statement is incorrect in the case of acetaldehyde and acetone?
Choices
Choice (4) | Response | |
---|---|---|
a. | Acetaldehyde and acetone gives Iodoform test | |
b. | Acetaldehyde and acetone react with NaOH to form polymer | |
c. | Acetaldehyde and acetone can be reduced to alcohols | |
d. | Acetaldehyde and acetone reacts with HCN |
Question 524
Question 525
Question MCQ▾
Acetaldehyde is converted to ethane by wolff-kishner reduction. Acetaldehyde is treated with?
Choices
Choice (4) | Response | |
---|---|---|
a. | Hydrazine and sodium ethoxide | |
b. | Sodium borohydride | |
c. | Hydrogen with palladium on barium sulfate | |
d. | Lithium aluminium hydride |
Question 526
Question MCQ▾
Which one of the following reagents can distinguish aldehydes and ketones?
Choices
Choice (4) | Response | |
---|---|---|
a. | Fehling՚s solution | |
b. | solution | |
c. | ||
d. |