How will you distinguish between – Ammonium hydroxide & sodium hydro – InterviewSolution

InterviewSolution

1.	How will you distinguish between – Ammonium hydroxide & sodium hydroxide using CuSO4
Answer» Sodium hydroxide forms a pale blue precipitate which is insoluble in excess of sodium hydroxide. Ammonium hydroxide forms a pale blue precipitate which redissolves in excess of ammonium hydroxide to form deep blue colouration.

Discussion

No Comment Found

Related InterviewSolutions

What happens when ammonia solution is added first dropwise and then in excess to the following solution:(i) CuSO4 (ii) ZnSO4 (iii) FeCI3Write balanced equations for these reactions.
Why does molarity of a solution depend upon temperature ?
Define Analytical chemistry. Why is accurate measurement crucial in science?
Round off each of the following quantities to two significant figures :a. 25.55 mL b. 0.00254 m c. 1.491 × 105 mg d. 199 g
Express the following sum to appropriate number of significant figures :a. 2.3 × 103 mL + 4.22 × 104mL + 9.04 × 103mL + 8.71 × 105mL;b. 319.5 g – 20460 g – 0.0639 g – 45.642 g – 4.173 g
Give the number of significant figures in each of the following :a. 1.230 × 104 b. 0.002030 c. 1.23 × 104d. 1.89 × 10-4
How many significant figures are in each of the following quantities?a. 45.26 ft b. 0.109 in c. 0.00025 kg d. 2.3659 × 10-8 cm e. 52.0 cm f. 0.00020 kg g. 8.50 × 104 mm h. 300.0 cg
Express the following quantities in exponential terms :a. 0.0003498 b. 235.4678 c. 70000.0 d. 1569.00
The hydroxide which is soluble in excess of NaOH is [Zn(OH)2 / Fe(OH)3 / Fe(OH)2]
Write each of the following numbers in ordinary decimal form :a. 3.49 × 10-11b. 3.75 × 10-1 c. 5.16 × 104d. 43.71 × 10-4 e. 0.011 × 10-3f. 14.3 × 10-2g. 0.00477 × 105h. 5.00858585