Oxidation number of carbon in CH2Cl2 is 

1. -4

2. +4

3. -2

4. zero

Subtopic:  Oxidizing & Reducing Agents |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Equivalent weight of a metal oxide is 20, the equivalent weight of sulphate of same metal will be 

(1) 60

(2) 69

(3) 108

(4) 54

Subtopic:  Equivalent Weight |
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15 gm Ba(MnO4)2 sample containing inert impurity is completely reacting with 100 ml of '11.2 V' H2O2, then what will be the % purity of Ba (MnO4)2 in the sample ? (Atomic mass Ba = 137, Mn = 55)

(1) 5%

(2) 10%

(3) 50%

(4) none

Subtopic:  Redox Titration & Type of Redox |
 50%
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The equivalent mass of H3BO3 (M = Molar mass of H3BO3) in its reaction with NaOH to from Na2B4O7 is equal to –

(1) M

(2) M2

(3) M4

(4) M6

Subtopic:  Equivalent Weight |
 63%
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The number of moles of ferrous oxalate oxidised by one mole of KMnO4 is

(1) 52

(2) 25

(3) 35

(4) 53

Subtopic:  Balancing of Equations | Equivalent Weight |
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In the reaction Na2S2O3 + 4Cl2 + 5H2O → Na2SO4 + H2SO4 + 8HCI the equivalent weight of Na2S2O3 will be

1. M/4

2. M/8

3. M/1

4. M/2

(M= molecular weight of Na2S2O3)

Subtopic:  Equivalent Weight |
 55%
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Which of the following equations is a balanced one

(1) 5BiO3-+ 22H+ + 2Mn2+ → 5Bi3+ + 7H2O + 2MnO4

(2)5BiO3- + 14H+ + 2Mn2+ → 5Bi3+ + 7H2O + 2MnO4

(3)2BiO3- + 4H+ + 2Mn2+ → 6Bi3+ + 2H2O + MnO4

(4) 6BiO3-+ 12H+ + 2Mn2+ → 6Bi3+ + 6H2O + 2MnO4

Subtopic:  Balancing of Equations |
 80%
From NCERT
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An excess of NaOH was added to 100 mL of a ferric chloride solution. This caused the precipitation of 1.425 g of Fe(OH)3. Calculate the normality of the ferric chloride solution

(1) 0.20 N

(2) 0.50 N

(3) 0.25 N

(4) 0.40 N

Subtopic:  Redox Titration & Type of Redox |
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NEET 2023 - Target Batch - Aryan Raj Singh
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In the reaction CrO5 + H2SO4 → Cr2(SO4)3 + H2O + O2

The number of moles of O2 liberated by one mole of CrO5 will be -

1. 5/2

2. 5/4

3. 9/2

4. None of the above

Subtopic:  Oxidizing & Reducing Agents | Equivalent Weight |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

0.4g of a polybasic acid HnA (all the hydrogens are acidic) requires 0.5g of NaOH for complete neutralization. The number of replaceable hydrogen atoms in the acid and the molecular weight of 'A' would be : (Molecular weight of the acid is 96 gms.)

1. 1, 95

2. 2, 94

3. 3, 93

4. 4, 92

Subtopic:  Equivalent Weight | Redox Titration & Type of Redox |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
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