Reactions of Sulphuric Acid

Q. When BrO3- react with Br- in acidic medium Br2 is liberated .the equivalent weight of Br2 is?

Q. Hydrolysis of one mole of peroxy disulphuric acid produces:

1. Two moles of peroxy monosulphuric acid
2. Two moles of sulphuric acid
3. One mole of sulphuric acid and one mole of peroxy monosulphuric acid
4. Two moles of sulphuric acid and one mole of hydrogen peroxide

Q. 16. x moles of potassium dichromate oxidises 1 mol of ferrous oxalate in acidic medium here x is.

Q. What volume of CO2 at STP will evolve when 1g of CaCO3 reacts with excess of dil Hcl.

Q. The weight of KMnO4 that can oxidise 100 ml of 0.2 M oxalic acid in acidic medium

Q. 21. Glucose —> P (Reaction occurs in presence of HCN) P—> Q (Hydrolysis occurs) Q—> A (Reaction occurs in presence of HI, heat) A is: 1. Heptanoic acid 2. 2-iodohexane 3. Heptane 4. Heptanol

Q. In acid medium, the standard reduction potential of NO converted to N2O is 1.59 V. Its standard potential in alkaline medium at 298 K would be

Q. when hydrochloric acid is converted to chlorine , is acid getting oxidised ? explain

Q. If 2M, 1L solution of acetic acid is added to 3M, 1L etthyl alcohol then following elementary reaction takes place: CH3COOH+C2H5OH==>CH3COOC2H5+H2O If each solution is diluted by 1 litre, then initial rate become how many times? 1) 4 2) 2 3) 0.5 4) 0.25

Q. ethanol on condensation with acetone gives in dilute Nao

Q. Why HCHO is more reactive in mixed Cannizaro than PhCHO

Q. Match Column-I with Column-II.

1. $a\to r;b\to r;c\to p,t;e\to r$
2. $a\to q;b\to r;c\to p,t;e\to r$
3. $a\to q;b\to r;c\to p,t;e\to r$
4. $a\to q;b\to r;c\to p,t;e\to r$

Q.

Suppose, in your lab, you have run out of dilute Sulphuric acid. You require dilute $H_{2}S{O}_4$ for an important synthesis but only have concentrated Sulphuric acid, water and a glass beaker. How will you synthesize dilute $H_{2}S{O}_4$ ?

1. Both a and b

2. By adding water slowly to the concentrated taken in a glass beaker and stirring continuously

3. By adding concentrated to water taken in a beaker and stirring continuously

4. It is not feasible to prepare dilute dilute from concentrated

Q. how maby ml of 0.1 M HCl are required to react completely wuth 1 gm mixture of Na2CO3 and NaHCO3 containing equimolar amount of bot

Q. 23.) In a set of reactions m-Bromobenzoic acid gave aproduct D. Identify the product DNaOHBrsociNH.BrAIPMT (Prelims)-2011ONHSO, NHBrNH

Q. 49. Reaction between sodium hydrogen carbonate and ethanoic acid

Q. Difference between oxidative and reductive ozonation ?

Q. moles of Fe3+ oxidised by one mole of dichromate in acidic medium is

Q. Hydrolysis of 1 mol of peroxodisulphuric acid produces :

1. 2 mol of sulphuric acid.
2. 2 mol of peroxomono sulphuric acid.
3. 1 mol of sulphuric acid and 1 mol of peroxomono sulphuric acid.
4. 1 mol of sulphuric acid, 1 mol of peroxomono sulphuric acid, and 1 mol of hydrogen peroxide.

Q. Difference between oxidative and reductive ozonation ?

Q. The heat of physisorption lie in the range of :

1. $40$ to $200$ $kJmo{l}^{-1}$
2. $1$ to $10$ $kJmo{l}^{-1}$
3. $20$ to $40$ $kJmo{l}^{-1}$
4. $200$ to $400$ $kJmo{l}^{-1}$

Q.

Suppose, in your lab, you have run out of dilute Sulphuric acid. You require dilute $H_{2}S{O}_4$ for an important synthesis but only have concentrated Sulphuric acid, water and a glass beaker. How will you synthesize dilute $H_{2}S{O}_4$ ?

1. Both a and b

2. By adding water slowly to the concentrated taken in a glass beaker and stirring continuously

3. By adding concentrated to water taken in a beaker and stirring continuously

4. It is not feasible to prepare dilute dilute from concentrated

Q. Hydrolysis of one mole of peroxy disulphuric acid produces:

1. Two moles of peroxy monosulphuric acid
2. Two moles of sulphuric acid
3. One mole of sulphuric acid and one mole of peroxy monosulphuric acid
4. Two moles of sulphuric acid and one mole of hydrogen peroxide