MCQ
Identify structure of $B$
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
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
In an adiabatic expansion of an ideal gas
For the reaction,${C_3}{H_8}(g) + 5{O_2}(g) \to \,\,3C{O_2}(g) + 4{H_2}O(l)$ at constant temperature, $\Delta H - \Delta E$ is
→Which one of the following molecules has maximum dipole moment?
What is the packet of energy called
The element with a atomic number $ 26$ is
→An organic compound $A$ on treatment with $NH_3$ gives $B,$ which on heating gives $C.\,\, C$ when treated with $Br_2$ in the presence of $KOH$ produces ethyl amine. Compound $A$ is
→At normal temperature, $X$ and $Y$
→$10\,ml$ of conc. ${H_2}S{O_4}$ ( $18\,molar$ ) is diluted to $ 1\,litre$. The approximate strength of dilute acid could be ........... $N$.
→Consider the following statements :
→$(a)$ Photon is a positively charged nuclear particle
$(b)$ Size of nucleus is very small as compared to the size of atom
$(c)$ Photoelectric effect and diffraction show particle nature of light
$(d)$ Planck's constant has same dimensions as angular momentum
The correct statements is/are
For a reaction, $\Delta H = -40\,kJ$ and $\Delta S = -50\,J/K$ . At what temperature range will it change from spontaneous to non-spontaneous ?
→