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Q. No.Match the reagents from List-I with the corresponding radicals from List-II and choose the correct option:
| List-I (Reagent) |
List-II (Radical) |
||
| (i) | \(\text { dil. } \mathrm{HCl}\) | (A) | \(\mathrm{Pb}^{2+}\) |
| (ii) | \(\begin{aligned} & \mathrm{NH}_4 \mathrm{Cl}+\mathrm{NH}_4 \mathrm{OH}+ \\ & \left(\mathrm{NH}_4\right)_2 \mathrm{CO}_3 \end{aligned}\) | (B) | \(\mathrm{Al}^{3+}\) |
| (iii) | \(\mathrm{NH}_4 \mathrm{Cl}+\mathrm{NH}_4 \mathrm{OH}+\mathrm{H}_2 \mathrm{~S}\) | (C) | \(\mathrm{Mn}^{2+}\) |
| (iv) | \(\mathrm{NH}_4 \mathrm{Cl}+\mathrm{NH}_4 \mathrm{OH}\) | (D) | \(\mathrm{Sr}^{2+}\) |
| 1. | (i)-(A), (ii)-(D), (iii)-(C), (iv)-(B) |
| 2. | (i)-(D), (ii)-(A), (iii)-(C), (iv)-(B) |
| 3. | (i)-(A), (ii)-(D), (iii)-(B), (iv)-(C) |
| 4. | (i)-(B), (ii)-(C), (iii)-(D), (iv)-(A) |
Subtopic: Detection of Cations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following cations will turn a borax bead green when heated in a reducing (luminous) flame?
| 1. | \(\mathrm{Fe^{3+}}\) | 2. | \(\mathrm{Cu^{2+}}\) |
| 3. | \(\mathrm{Mn^{2+}}\) | 4. | \(\mathrm{Ni^{2+}}\) |
JEE
Subtopic: Detection of Cations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the tests in List-I with their corresponding identification in List-II:
1. i → (p), ii → (q), iii → (r), iv → (s)
2. i → (s), ii → (q), iii → (r), iv → (p)
3. i → (s), ii → (q), iii → (p), iv → (r)
4. i → (q), ii → (s), iii → (r), iv → (p)
| List-I (Test) | List-II (Identification) | ||
| (i) | Baeyer’s test | (p) | Aldehyde |
| (ii) | Ceric ammonium nitrate test | (q) | Alcohol |
| (iii) | Phthalein dye test | (r) | Phenol |
| (iv) | Schiff’s test | (s) | Unsaturation |
1. i → (p), ii → (q), iii → (r), iv → (s)
2. i → (s), ii → (q), iii → (r), iv → (p)
3. i → (s), ii → (q), iii → (p), iv → (r)
4. i → (q), ii → (s), iii → (r), iv → (p)
Subtopic: Detection of the functional groups |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the anion radicals given in List I with the corresponding characteristics in List II and select the correct option given below:
Codes:
1. A-III, B-I, C-II, D-IV
2. A-II, B-I, C-IV, D-III
3. A-IV, B-I, C-III, D-II
4. A-IV, B-I, C-II, D-III
| List-I (Anions) | List-II (Gas evolved on reaction with dil H2SO4) |
||
| A. | \(\mathrm{CO}_3^{2-}\) | I. | Colourless gas that turns lead acetate paper black. |
| B. | \(\mathrm{S}^{2-}\) | II. | Colourless gas that turns acidified potassium dichromate solution green. |
| C. | \(\mathrm{SO}_3^{2-}\) | III. | Brown fumes that turn acidified \(\mathrm{KI}\) solution containing starch blue. |
| D. | \(\mathrm{NO}_2^{-}\) | IV. | Colourless gas evolved with brisk effervescence, which turns lime water milky. |
1. A-III, B-I, C-II, D-IV
2. A-II, B-I, C-IV, D-III
3. A-IV, B-I, C-III, D-II
4. A-IV, B-I, C-II, D-III
Subtopic: Detection of Anions |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the inorganic sulphides that are yellow in colour:
(A) (NH4)2S
(B) PbS
(C) CuS
(D) As2S3
(E) As2S5
Choose the correct answer from the options given below :
1. (A) and (C) only
2. (A), (D) and (E) only
3. (A) and (B) only
4. (D) and (E) only
(A) (NH4)2S
(B) PbS
(C) CuS
(D) As2S3
(E) As2S5
Choose the correct answer from the options given below :
1. (A) and (C) only
2. (A), (D) and (E) only
3. (A) and (B) only
4. (D) and (E) only
JEE
Subtopic: Detection of Cations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify A, B and C in the given below reaction sequence:
1. PbCl2 , PbSO4 , PbCrO4
2. PbS, PbSO4 , PbCrO4
3. PbS, PbSO4 , Pb(CH3COO)2
4. PbCl2 , Pb(SO4)2 , PbCrO4
1. PbCl2 , PbSO4 , PbCrO4
2. PbS, PbSO4 , PbCrO4
3. PbS, PbSO4 , Pb(CH3COO)2
4. PbCl2 , Pb(SO4)2 , PbCrO4
JEE
Subtopic: Detection of Cations |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
- 1(current)
Q. No.
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