Download App

Model Paper 1 — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 15 Marks
Question
1. What is the general molecular formula of saturated monohydric alcohols?
2. Write structural formulae for compounds named as-
a. 1-Bromoheptane
b. 5-Bromoheptanoic acid
✓

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "5 Marks Questions" from Model Paper 1→Model Paper 1 — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which method can be used to find out strength of reductant/oxidant in a solution? Explain with an example.
→
Define following.
(i) Molarity
(ii) Molality
(iii) Normality
(iv) Formality
→
Arrange the following in order of their increasing masses in gram (i) One atom of silver, (ii) one gram-atom of nitrogen, (iii) one mole of calcium, (iv) one mole of oxygen molecules, (v) 1023 atoms of carbon and (vi) one gram of iron.
→
On the basis of VSEPR theory, compare the geometries of molecules of types $AB _2 E , AB _3 E$, $AB _2 E _2, AB _4 E , AB _3 E _2, AB _5 E$ and $AB _4 E _2$ with various examples. (Here $E =$ lone electron pair)
→
What is the concentration of sugar (C12H22O11) in mol L–1 if its 20g are dissolved in enough water to make a final volume up to 2L?
→
Give condensed and bond line structural formulas and identify the functional group(s) present, if any, for:
  1. 2, 2, 4-Trimethylpentane.
  2. 2-Hydroxy-1, 2, 3-propanetricarboxylic acid.
  3. Hexanedial.
→
  1. At 473K, equilibrium constant, K for decomposition of PCl5 is 8.3 × 10-3. If decomposition is depicted as

$\text{PCl}_5(\text{s})\rightleftharpoons\text{PCl}_3(\text{s})+\text{Cl}_2(\text{g});$

$\Delta_\text{r}\text{H}^\text{o}=124.0\text{kJ mol}^{-1}$

  1. Write an expression for Kc for the reaction.
  2. What is the value of Kc for the reverse reaction at same temperature.
  3. What would be the effect on Kc if:
  1. The pressure is increased?
  2. The temperature is increased?
  1. Write equilibrium constant for the following reactions:

  1. $\text{BaCO}_3(\text{s})\rightleftharpoons\text{BaO(s)}+\text{CO}_2(\text{g})$

  2. $\text{CH}_4(\text{g})+2\text{O}_2(\text{g})\rightleftharpoons\text{CO}_2(\text{g})+2\text{H}_2\text{O(g)}$

→
A mixture of 1.57 mol of N2, 1.92 mol of H2 and 8.13 mol of NH3 is introduced into a 20L reaction vessel at 500K. At this temperature, the equilibrium constant, Kc for the reaction $\text{N}_2\text{ (g) + }3\text{H}_2\text{ (g)}\rightleftharpoons2\text{NH}_3\text{ (g) is }1.7\times10^2.$ Is the reaction mixture at equilibrium? If not, what is the direction of the net reaction?
→
Calculate the pH of the resultant mixture :
10 mL of $0.2 M Ca ( OH )_2+25 mL$ of 0.1 M HCI
→
The ionization constant of nitrous acid is 4.5 × 10–4. Calculate the pH of 0.04M sodium nitrite solution and also its degree of hydrolysis.
→