Give a simple chemical test to distinguish between 3-pentanol and 2-pentanol.
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Solution and Explanation
Top Questions on Alcohols
- Molecular formula of butanol-2 is
- Write the mechanism of dehydration of ethyl alcohol with conc. H$_2$SO$_4$ at 413 K.
Alcohols undergo a number of reactions involving the cleavage of C – OH bond. However, phenols do not undergo reactions involving the cleavage of C – OH bond. Alcohols are weaker acids than water. Alcohols react with halogen acids to form the corresponding haloaklanes. Phenols are stronger acids than alcohols. A charac- teristic feature of phenols is that they undergo electrophilic substitution reactions such as halogenation, nitration, etc. Since –OH group is a strong activating group, phenol gives trisubstituted products during halogenation, nitration, etc.
- Which of the following is a primary alcohol?
- Which of the following contains 2 primary –OH groups in its structure?
Questions Asked in CBSE CLASS XII exam
- Calculate the amount of Opening Trade Receivables and Closing Trade Receivables from the following information:
Trade Receivables Turnover Ratio = 5 times
Cost of Revenue from Operations = ₹ 8,00,000
Gross Profit Ratio = 20%
Closing Trade Receivables were ₹ 40,000 more than Opening
Cash Sales = \( \frac{1}{4} \) of Credit Sales- CBSE CLASS XII - 2025
- Accounting Ratios
On 31st March, 2024 following is the Balance Sheet of Bhavik Limited :
Bhavik Ltd.
Additional Information :
(i) During the year a piece of machinery costing Rs 8,00,000 accumulated depreciation thereon Rs 50,000 was sold for Rs 6,50,000
(ii) Debentures were redeemed on 31-03-2024.
Calculate:
(a) Cash flows from Investing Activities
(b) Cash flows from Financing Activities
- CBSE CLASS XII - 2025
- Analysis of Financial Statements
- Draw a rough sketch of the curve \( y = \sqrt{x} \). Using integration, find the area of the region bounded by the curve \( y = \sqrt{x} \), \( x = 4 \), and the x-axis, in the first quadrant.
- CBSE CLASS XII - 2025
- Integration
- Sonia and Shruti were partners in a firm sharing profits and losses in the ratio of 5 : 3. On 1st April, 2023 the balance in their fixed capital accounts were \u20b9 25,00,000 and \u20b9 15,00,000 respectively. The profit of the firm for the year ended 31st March, 2024 was \u20b9 24,00,000. Calculate their share of profit if : (i) the partnership deed is silent as to the payment of interest on capital. (ii) the partnership deed provides for interest on capital @ 10% per annum.
- CBSE CLASS XII - 2025
- Profit and Loss Account
- Vishesh, Manik and Amit were partners in the ratio 5 : 4 : 1. Amit retired on 31st March, 2024. Vishesh and Manik decided to share Amit’s share in the ratio 2 : 3. What will be the new profit sharing ratio between Vishesh and Manik?
- CBSE CLASS XII - 2025
- Retirement and Death of a Partner