The number of chlorine atoms present in the organic products X and Y of the following reactions, respectively, are:
 
1. 3 and 6
2. 6 and 6
3. 6 and 3
4. 3 and 3
Subtopic:  Mechanism of Reactions | Chemical Properties | Haloarenes: Directive Influence of Halogen |
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NEET - 2026
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In the following reaction sequence, \(X\) and \(Z\), respectively are:
1.
2.
3.
4.
Subtopic:  Chemical Properties |
 60%
Level 2: 60%+
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Match List-I with List-II:
List-I
(Transition metal/compound/complex)
List-II
(Catalytic Role)
(a) \(V_2O_5\) (i) Preparation of ammonia from \(N_2/H_2\) mixture
(b) \(Fe\) (ii) Polymerisation of alkynes
(c) \(PdCl_2\) (iii) Preparation of \(H_2SO_4\) from \(SO_2\)
(d) \(Ni \) complex (iv) Oxidation of ethyne to ethanal 

Choose the correct answer from the options given below :
1. A-III, B-IV, C-I, D-II
2. A-II, B-I, C-IV, D-III
3. A-IV, B-I, C-III, D-II
4. A-III, B-I, C-IV, D-II
Subtopic:  d-Block Elements- Properties & Uses |
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Identify the correct statement about ClF3 from the following options :
1. It has a trigonal pyramidal geometry with two lone pairs on Cl atom
2. It has T-shaped geometry with two lone pairs on Cl atom
3. It has a trigonal planar geometry with two lone pairs on Cl atom
4. It has T-shaped geometry with three lone pairs on Cl atom
Subtopic:  V.S.E.P.R & V.B.T |
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Calculate emf of the half cell given below :
Pt (s) | \(H_2\) (g, 2 atm) | HCl (aq, 0.02 M)
\(E^0_{H_2 / H^+}\) = 0 V
(Given : \(\frac{2.303 RT}{F} = 0.059\),
log 2 = 0.3010)
1. 0.109 V
2. 0.035 V
3. − 0.035 V
4. − 0.109 V
Subtopic:  Nernst Equation |
Level 3: 35%-60%
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Match List-I with List-II:
List-I (Order of reaction) List-II (Unit of rate constant)
A. Zero order I. \(\mathrm{mol}^{-1} \mathrm{~L} \mathrm{~s}^{-1}\)
B. First order II. \(\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~s}^{-1}\)
C. Second order III.  \(\mathrm {s}^{-1}\)
D. Third order IV.  \(\mathrm{mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}\)

Choose the correct answer from the options given below:
1. A-IV, B-III, C-II, D-I
2. A-I, B-II, C-III, D-IV
3. A-IV, B-III, C-I, D-II
4. A-IV, B-II, C-I, D-III
Subtopic:  Definition, Rate Constant, Rate Law | First Order Reaction Kinetics |
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The calculated 'spin-only' magnetic moment of \(\text{Ti}^{2+}(3d^2) \) is :
1. 2.84 BM
2. 5.92 BM
3. 4.90 BM
4. 3.87 BM
Subtopic:  d-Block Elements- Properties & Uses |
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Two products X and Y are formed in the following reaction sequence:


The suitable method that can be used for the separation of products X and Y is:
1. Continuous extraction
2. Differential extraction
3. Fractional distillation
4. Sublimation
Subtopic:  Chemical Properties | Haloarenes: Directive Influence of Halogen |
 70%
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A bulb is rated at 150 watt, converting 8% energy into light. If energy of one photon is \(4.42 \times 10^{-19} \mathrm{~J}\), how many photons are emitted by the bulb per second?

1. \(1.35 \times 10^{19}\)
2. \(4.06 \times 10^{19}\)
3. \(2.71 \times 10^{19}\)
4. \(27.2 \times 10^{19}\)
Subtopic:  Photo Electric Effect |
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In a test tube containing a salt, a few drops of dilute H₂SO₄ was added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red.
Identify the correct anion from the following:
1. Acetate, \(CH_3COO^-\)
2. Carbonate, \(\mathrm{CO}_3^{2-}\)
3. Sulphate, \(\mathrm{SO}_4^{2-}\)
4. Sulphide, \(S^{2-}\)
Subtopic:  Detection of Anions |
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Level 2: 60%+
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