15. which of the following chemical equations is balanced?\n\na. 2na + s → 2nas\n\nb. 2nacl + h₂so₄ → hcl +…
15. which of the following chemical equations is balanced?\n\na. 2na + s → 2nas\n\nb. 2nacl + h₂so₄ → hcl + naso₄\n\nc. nh₃ + h₂o → 2nh₄oh\n\nd. koh + h₂so₄ → khso₄ + h₂o
Answer
Answer:
D. KOH + H₂SO₄ → KHSO₄ + H₂O
Explanation:
Step1: Analyze option A
On left - side: 2 Na, 1 S. On right - side: 2 Na, 2 S. Not balanced.
Step2: Analyze option B
On left - side: 2 Na, 2 Cl, 2 H, 1 S, 4 O. On right - side: 1 H, 1 Cl, 1 Na, 1 S, 4 O. Not balanced.
Step3: Analyze option C
On left - side: 1 N, 5 H, 1 O. On right - side: 2 N, 6 H, 2 O. Not balanced.
Step4: Analyze option D
On left - side: 1 K, 3 H, 1 S, 5 O. On right - side: 1 K, 3 H, 1 S, 5 O. Balanced.