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2024-08-22 | Complete the following reactions:\n(i) CH≡CH→NaNH2, CH3Br ?(ii) .... |
2024-08-22 | Arrange in the following in increasing order of property indicated:
(a) I, F, Cl, Br ( Based on .... |
2024-08-22 | Write the chemistry of lassaigne’s test for qualitative analysis of nitrogen and Sulphur..... |
2024-08-22 | Assertion- pH of blood does not change inspite of taking acidic foods.
Reason- Blood behaves as.... |
2024-08-22 | (a) (i) Give a chemical test to distinguish between N-methylethanamine and N,N-dimethyl ethanami.... |
2024-08-22 | Arrange the following in (i) decreasing order of pKb values : C6H5NH2, C6H5N.... |
2024-08-22 | An organic compound A with the molecular formula (+) C4H9Brundergoes hydrolysis to form (+) C4H9.... |
2024-08-22 | Arrange following in increasing order of property mention in brackets:\n(i) 0.1M CH3COOH, 0.1 M .... |
2024-08-22 | Write the equations for the following reaction:\n(a) Salicylic acid is treated with acetic anhyd.... |
2024-08-22 | You are given four organic compounds A, B, C and D. The compounds A, B and C form an orange- red.... |
2024-08-21 | jyrofsk0n11g393mt0o1io2sc.... |
2024-08-19 | A mathematical calculation can't increase the precision of a physical measurement therefore the .... |
2024-08-19 | (a) Show by a chemical reaction with water that Na2O
is a basic oxide and Cl2O7
is an acidic o.... |
2024-08-19 | Predict the sigh of ΔS
for the following chnages:
(a) H2(g) + I2(g) →2HI(g)
(b) 2NaHCO3(s)→Na2.... |
2024-08-19 | An electron is accelerated through a potential difference of \\( 10,000 \\mathrm{~V} \\). Its de.... |
2024-08-19 | For a reversible reaction 2NO2⇌K1K2N2O4, the rate of disappearance of NO2 is equal to.... |
2024-08-19 | (a) Two thin concentric shells of radii r1and r2(r2> r1) have charges q1and q2. Write the exp.... |
2024-08-19 | The attractive force which holds the two atoms together is called a chemical bond. Covalent bond.... |
2024-08-19 | (a) Name the type of isomerism exhibited by acetone and propanal.\n(b) 0.546 g of silver Bromide.... |
2024-08-19 | Standing waves cannot be produced.... |
2024-08-19 | Arrange the following in decreasing order of reactivity toward \\( S_{N} 2 \\) reaction\n.... |