UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
- What is the oxidation number .of oxygen in Na2O2?
Text Solution
|
- Balance . the following equation by oxidation number method : H2S + Cl...
Text Solution
|
- What do you mean by ‘Non-stoichiometric hydrides'? Do you expect .this...
Text Solution
|
- Which out of MgCO3, SrCO3 and BaCO3 possesses highest thermal stabilit...
Text Solution
|
- Be and Mg do not give colour to flame whereas other alkaline earth met...
Text Solution
|
- why are alkali metals stored in kerosene ?
Text Solution
|
- What happens when calcium nitrate is heated.
Text Solution
|
- CH3Cl is unreactive towards. SN^1 reaction.Why?
Text Solution
|
- Dipole moment of nitrobenzene is greater than that of nitroethane.Why?
Text Solution
|
- Give example of a non-nucleophilic anion.
Text Solution
|
- Explain the orders of acidity of carboxylic acids. Cl3CCOOH > Cl2 CHCO...
Text Solution
|
- State Le Chatelier's principle. Discuss the effect of pressure, concen...
Text Solution
|
- Two moles of HI were heated in a scaled tube at 440^@Cuntil the equili...
Text Solution
|
- Find out Kp//Kc for: CO(g)+frac 1/2 O2 (g) overset (rarr)(larr) CO2 (g...
Text Solution
|
- What will be pH of the solution obtained by mixing 50 ml 0.1 (N) CH3CO...
Text Solution
|
- What will happen when a solution of potassium chloride is added to a s...
Text Solution
|
- Explain : Boric acid is a weak acid.
Text Solution
|
- Explain :Tin (II) is reducing agent but Pb (II) is not.
Text Solution
|
- Complete the following reaction : BF3+LiH rarr
Text Solution
|
- Carry out of.the following transformation : HC-= CH rarr Oxalic acid
Text Solution
|