Question
Explain primary, secondary and tertiary structure of proteins with diagram.
✓
Answer
self
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
- What are essential and non-essential amino acids? Give two examples of each.
- What are the two types of photosynthesis in green plants? Give the basic equations of photosynthesis.
- Mention the two products of glycolysis.
Describe the methods of studying various first order reactions with examples.
Match the items of Column $I$ and Column $II.$
→|
|
Column $I$
|
|
Column $II$
|
| $i.$ |
Lead storage battery
|
$a.$ |
Maximum efficiency.
|
| $ii.$ |
Mercury cell
|
$b.$ |
Prevented by galvanisation.
|
| $iii.$ |
Fuel cell
|
$c.$ |
Gives steady potential.
|
| $iv.$ |
Rusting
|
$d.$ |
$Pb$ is anode, $PbO_2$ is cathode.
|
- How do you prepare:
- $K_2MnO_4$ from $MnO_2?$
- $Na_2Cr_2O_7$ form $Na_2CrO_4?$
- Account for the following:
- $Mn^{2+}$ is more stable than $Fe^{2+}$ towards oxidation to $+3$ state.
- The enthalpy of atomization is lowest for $Zn$ in $3d$ series of the transition elements.
- Actinoid elements show wide range of oxidation states.
Match the compounds/elements given in Column I with uses given in Column II.
|
|
Column I (Compound/element)
|
|
Column II (Use)
|
|
(i)
|
Lanthanoid oxide
|
(a)
|
Production of iron alloy
|
|
(ii)
|
Lanthanoid
|
(b)
|
Television screen
|
|
(iii)
|
Misch metal
|
(c)
|
Petroleum cracking
|
|
(iv)
|
Magnesium based alloy is constituent of
|
(d)
|
Lanthanoid metal + iron
|
|
(v)
|
Mixed oxides of lanthanoids are employed
|
(e)
|
Bullets
|
|
|
|
(f)
|
In X-ray screen
|
- Explain the following:
- Henry's law about dissolution of a gas in a liquid.
- Boiling point elevation constant for a solvent.
- A solution of glycerol $(C_3H_8O_3)$ in water was prepared by dissolving some glycerol in $500 g$ of water. This solution has a boiling point of $100.42^\circ C.$ What mass of glycerol was dissolved to make this solution? $(K_b$ for water $= 0.512 K \ kg\ mol^{–1}).$
Explain the oxidation of primary, secondary and tertiary alcohols.
Explain the effect of substitutents on the basic strength of aromatic amines.
Match the compounds given in Column $I$ with the oxidation state of cobalt present in it $($given in Column $II)$ and assign the correct code.
Code:
→|
|
Column $I ($Compound$)$
|
|
Column $II ($Oxidation state of $Co)$
|
| $a.$ | $\ce{[Co(NCS)(NH_3)_5](SO_3)}$ | $1.$ | $+4$ |
| $b.$ | $\ce{[Co(NH_3)_4Cl_2]SO_4}$ | $2.$ | $0$ |
| $c.$ | $\ce{Na_4[Co(S_2O_3)_3]}$ | $3.$ | $+1$ |
| $d.$ | $\ce{[Co_2(CO)_8]}$ | $4.$ | $+2$ |
| $5.$ | $+3$ |
Match the graph given in Column $I$ with the order of reaction given in Column $II.$ More than one item in Column I may link to the same item of Column $II.$
→|
|
Column I
|
|
Column II
|
| $(i)$ |
 |
|
|
| $(ii)$ |
 |
$(a)$ | $I^{st}$ order |
| $(iii)$ |
 |
$(b)$ |
Zero order
|
| $(iv)$ |
 |