JEE Mains · Chemistry · STD 12 - p -Block elements - ll
Iodine reacts with concentrated \(HNO_3\) to yield along with other products. The oxidation state of iodine in \(Y\) is
- A \(5\)
- B \(7\)
- C \(3\)
- D \(1\)
Answer & Solution
Correct Answer
(A) \(5\)
Step-by-step Solution
Detailed explanation
\(I_2 + 10HNO_3 \to 2HIO_3 + 10NO_2 \uparrow + 4H_2O\) Iodine in \(HIO_3\) has \(+5\) oxidation state.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Given below are two statements :
Statement (I) : The first ionisation enthalpy of the elements Na, Mg, Cl and Ar follows the order Na \(>\) Mg \(>\) Cl \(>\) Ar.
Statement (II) : Among Ca, Al, Fe and B, the third ionisation enthalpy is very high for Ca.
In the light of the above statements, choose the correct answer from the options given below :JEE Mains 2026 Medium - How much amount of \(\mathrm{NaCl}\) should be added to \(600\; \mathrm{g}\) of water \((\rho=1.00\; \mathrm{g} / \mathrm{mL})\) to decrease the freezing point of water to \(-0.2^{\circ} \mathrm{C} ?\) ............. \(\mathrm{gm}\) (The freezing point depression constant for water \(=2\; \mathrm{K}\; \mathrm{kg} \;\mathrm{mol}^{-1}\) )JEE Mains 2020 Medium
- In Carius method for estimation of halogens, \(0.2\, \mathrm{~g}\) of an organic compound gave \(0.188 \,\mathrm{~g}\) of \(\mathrm{AgBr}\). The percentage of bromine in the compound is ...... . (Nearest integer) [Atomic mass: \(\mathrm{Ag}=108, \mathrm{Br}=80\) ]JEE Mains 2021 Medium
- Consider the following sequence of reactions :

Molar mass of the product formed (A) is _______ \(\mathrm{g} \mathrm{mol}^{-1}\).JEE Mains 2025 Medium - The correct set of ions (aqueous solution) with same colour from the following is which?JEE Mains 2025 Easy
- One mole of an ideal monoatomic gas is subjected to changes as shown in the graph. The magnitude of the work done (by the system or on the system) is \(...........J\) (nearest integer). Given : \(\log 2=0.3, \ln 10=2.3\)
JEE Mains 2023 Medium
More PYQs from JEE Mains
- \(150\,g\) of acetic acid was contaminated with \(10.2\,g\) ascorbic acid \(\left( C _{6} H _{8} O _{6}\right)\) to lower down its freezing point by \(\left( x \times 10^{-1}\right)^{\circ} C\). The value of \(x\) is (Nearest integer) [Given \(K _{ f }=3.9\,K\,kg\,mol ^{-1}\);Molar mass of ascorbic acid \(=176\,g\,mol ^{-1}\) ]JEE Mains 2022 Medium
- The incorrect geometry is represented byJEE Mains 2018 Medium
-

Compound (X) [styrene] is subjected to the sequence of reactions as shown above: (i) \(Br_2/CHCl_3\) (ii) \(NaNH_2\) excess (iii) \(CH_3I\) (iv) \(H_2\), \(Na/NH_3\) \((l)\), giving Major Product (Y). Molar mass of the major product (Y) formed is ______ g mol\(^{-1}\).
(Given molar mass in g mol\(^{-1}\) C:\(12\), H: \(1\), O: \(16\))JEE Mains 2026 Hard - Stability of the species \(Li_2, Li_2^-\) and \(Li_2^+\) increases in the order of :JEE Mains 2013 Medium
- The density \(\rho\) of a uniform cylinder is determined by measuring its mass \(m\), length \(l\) and diameter \(d\). The measured values of \(m\), \(l\) and \(d\) are \(97.42 \pm 0.02\) g, \(8.35 \pm 0.05\) mm and \(20.20 \pm 0.02\) mm, respectively. Calculated percentage fractional error in \(\rho\) is _______.JEE Mains 2026 Medium
- Let the shortest distance from \((\mathrm{a}, 0), \mathrm{a}\gt0\), to the parabola \(y^2=4 x\) be 4 . Then the equation of the circle passing through the point \((a, 0)\) and the focus of the parabola, and having its centre on the axis of the parabola is :JEE Mains 2025 Medium