MHT CET 2019 2nd May Morning Shift

Action of hydrogen iodide on anisole gives,

In the reaction, $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3 \xrightarrow[\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}]{[\mathrm{H}]} X,X$ is

Mandelonitrile is obtained by the reaction between hydrogen cyanide and

$\beta$-pleated sheets of polypeptide chains are present in

How many isoprene units are present in abscisic acid?

Which of following bonds has maximum bond length?

What is the $\mathrm{H}-\mathrm{S}-\mathrm{H}$ bond angle in $\mathrm{H}_2 \mathrm{~S}$ ?

For the elementary reaction $2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \longrightarrow 2 \mathrm{SO}_3(g)$, identify the correct among the following relations

Which among the following reaction is an example of a zero order reaction?

Which of the following is not as antiseptic compound?

Which among the following compounds is used to decaffeinate coffee?

The bacteriostatic antibiotic from the following is

Which among the following compounds is used as selective weed killer?

Identify $B$ in the following reaction,
\(\text { Acetaldoxime } \xrightarrow[\text { alcohol }]{\mathrm{Na}} A \xrightarrow[\text { HCl }]{\mathrm{NaNO}_2} B+\mathrm{H}_2 \mathrm{O}+\mathrm{N}_2 \uparrow\)

Which complex among the following gives a white precipitate on treatment with an aqueous solution of barium chloride?

Which among the following is used in the treatment of cancer?

The ionic charges on chromate ion and dichromate ion respectively is

Two electrolytic cells are connected in series containing $\mathrm{CuSO}_4$ solution and molten $\mathrm{AlCl}_3$. If in electrolysis 0.4 moles of 'Cu' are deposited on cathode of first cell. The number of moles of 'Al' deposited on cathode...

The resistance of $\frac{1}{10} M$ solution is $25 \times 10^3$ ohm. What is the molar conductivity of solution? (cell constant $=1.25 \mathrm{~cm}^{-1}$)

The conductivity of an electrolytic solution decreases on dilution due to

For the conversion of oxygen to ozone in the atmosphere, nitric oxide in gaseous phase acts as

Nitroalkanes are obtained in laboratory from primary or secondary alkyl halides by the action of

In the reaction,
$2 n R-X \xrightarrow[\text { Dry ether }]{+2 n \mathrm{Na}}$ product
The product obtained is

$\alpha$ - butylene when subjected to hydroboration oxidation reaction, yields

When propene reacts with HCl in presence of peroxide, the product is

If the van't Hoff-factor for $0.1 \mathrm{~M} \mathrm{~Ba}\left(\mathrm{NO}_3\right)_2$ solution is 2.74 , the degree of dissociation is

The bond line formula of 1-iodo -2, 3-dimethyl pentane is

Which of the following sets of components form homogeneous mixture?

Calculate van't Hoff-factor for 0.2 m aqueous solution of KCl which freezes at $-0.680^{\circ} \mathrm{C}$. $\left(K_f=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right)$

' $K$ is Henry's constant and has the unit

Which of following methods is used to separate wolframite and stannic oxide present in cassiterite?

Bassemerisation is used in the extraction of

Which of following is not a property of red phosphorus?

Which among the following group 15 elements does not exhibit allotropy?

When $\mathrm{CuSO}_4$ solution in water is treated with concentrated HCl it turns

Which hydride among the following is strongest reducing agent?

Which among the following oxides of nitrogen is called nitrogen sesquioxide?

Which among the following is not a semi-synthetic polymer?

Which of the following polymer is used in paints?

$$\begin{aligned} & \text { In the reaction, } \\ & \mathrm{MnO}_4^{-1}(a q)+\mathrm{Br}^{-1}(a q) \longrightarrow \mathrm{MnO}_2(s)+\mathrm{BrO}_3^{-1}(a q) \end{aligned}$$
,the correct change in oxidation number of the species involved is

Which among the following sets of compounds is used as raw material for the preparation of sodium carbonate by Solvay process?

What happens when ionic hydrides of $s$-block elements in molten state are electrolysed?

Which among the following solids shows Frenkel defect?

Which among the following pairs of compounds is not isomorphous?

Which among the following compounds in crystalline form is used for making Nicol's prism?

What is the percentage of carbon in urea? (Atomic mass $C=12, H=1, N=14, O=16$)

A cold drink bottle contains 200 mL liquid, in which $\mathrm{CO}_2$ is 0.1 molar. Considering $\mathrm{CO}_2$ as an ideal gas the volume of the dissolved $\mathrm{CO}_2$ at S.T.P is

Three moles of an ideal gas are expanded isothermally from a volume of $300 \mathrm{~cm}^3$ to 2.5 L at 300 K against a pressure of 1.9 atm . The work done in joules is

For a process, entropy change of a system is expressed as

Calculate the difference between heat of combustion of carbon monoxide gas at constant pressure and at constant volume at $27^{\circ} \mathrm{C} ?\left(R=2 \mathrm{cal} \mathrm{K}^{-1} \mathrm{~mol}^{-1}\right)$