CBSE Class 12 Chemistry Daily Practice Questions 14 October 2023

CBSE Class 12 Chemistry Daily Practice Questions 14 October 2023

CBSE Class 12 Chemistry Daily Practice Questions for 14 October 2023: CBSE Class 12 chemistry exam can be aced by regularly solving daily practice questions. CBSE Class 12th Chemistry practice questions can help students improve their time management skills, which is crucial during exams. Furthermore, chemistry is a subject that cannot be prepared overnight. Hence, consistent practice will boost their confidence. Aspirants can enhance their preparation by analysing CBSE Class 12 Chemistry Topic-Wise Weightage 2024 to attain good marks.

Also Check | CBSE Class 12 Chemistry Daily Practice Questions 13 October 2023

CBSE Class 12 Chemistry Daily Practice Questions for 14 October 2023

Students can analyse their CBSE Class 12 Chemistry exam performance by solving daily practice questions shared below.

Question 1: Multiple-Choice Questions

The ionic substances in which the cation and anion are of almost similar size shows

(a) non-stoichiometric defect

(b) Schottky defect

(c) Frenkel defect

(d) all of these

Question 2: Very Short Answer Type Question

10 g glucose is dissolved in 400 g of solution. Calculate the percentage concentration of the solution.

Question 3: Short Answer Type Question

What is meant by abnormal molecular mass? Illustrate it with suitable examples.

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Question 4: Case-Based Question

A compound (X) containing C, H, and O is unreactive towards sodium. It also does not react with Schiff’s reagent. On refluxing with an excess of hydroiodic acid, (X) yields only one organic product (Y). On hydrolysis, (Y) yields a new compound (Z) which can be converted into (Y) by reaction with red phosphorous and iodine. The compound (Z) on oxidation with potassium permanganate gives a carboxylic acid. The equivalent weight of this acid is 60.

The following questions are multiple choice questions. Choose the most appropriate answer:

(i) The compound (X) is an

(a) acid

(b) aldehyde

(c) alcohol

(d) ether

(ii) The IUPAC name of the acid formed is

(a) methanoic acid

(b) ethanoic acid

(c) propanoic acid

(d) butanoic acid

(iii) Compound (Y) is

(a) ethyl iodide

(b) methyl iodide

(c) propyl iodide

(d) mixture of (a) and (b)

(iv) Compound (Z) is

(a) methanol

(b) ethanol

(c) propanol

(d) butanol

Question 5: Long Answer Type Question

Given the reason for the following:

1. Aquatic species are more comfortable in cold waters than in warm waters.
2. To avoid bends scuba divers use air diluted with helium.
3. Cold drink bottles are sealed under high pressure of carbon dioxide.

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